BOOKS - Learn SQL in less than 20 hours Understand the Language and Do It Yourself
Learn SQL in less than 20 hours Understand the Language and Do It Yourself - Juan Pablo Romero Aguirre 2024 PDF | EPUB Independently published BOOKS
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Learn SQL in less than 20 hours Understand the Language and Do It Yourself
Author: Juan Pablo Romero Aguirre
Year: 2024
Pages: 213
Format: PDF | EPUB
File size: 10.1 MB
Language: ENG



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The book "Learn SQL in less than 20 hours Understand the Language and Do It Yourself" is a comprehensive guide that provides readers with the tools they need to learn SQL programming language quickly and effectively. The book is designed for those who have no prior experience with programming languages and want to learn SQL in a short period. The author's goal is to help readers understand the basics of SQL and how to use it to perform various tasks related to data management and analysis. The book begins by introducing the concept of SQL and its importance in today's digital world. The author explains that SQL is a powerful programming language used in various industries such as finance, healthcare, and education. The author also highlights the growing demand for professionals with knowledge of SQL skills in the job market. The first chapter of the book focuses on the basic concepts of SQL, including data types, variables, and basic operations such as SELECT, FROM, WHERE, and GROUP BY. The author uses simple examples to illustrate each concept and provides exercises for readers to practice what they have learned. In the second chapter, the author delves into more advanced topics such as joins, subqueries, and aggregate functions.
Книга «Изучите SQL менее чем за 20 часов. Поймите язык и сделайте это сами» - это всеобъемлющее руководство, которое предоставляет читателям инструменты, необходимые для быстрого и эффективного изучения языка программирования SQL. Книга предназначена для тех, кто не имеет предшествующего опыта работы с языками программирования и хочет изучить SQL за короткий период. Цель автора - помочь читателям понять основы SQL и способы его использования для выполнения различных задач, связанных с управлением и анализом данных. Книга начинается с введения понятия SQL и его важности в современном цифровом мире. Автор объясняет, что SQL - это мощный язык программирования, используемый в различных отраслях, таких как финансы, здравоохранение и образование. Автор также подчеркивает растущий спрос на профессионалов со знанием SQL-навыков на рынке труда. Первая глава книги посвящена основным понятиям SQL, включая типы данных, переменные и основные операции, такие как SELECT, FROM, WHERE и GROUP BY. Автор использует простые примеры, чтобы проиллюстрировать каждую концепцию, и предоставляет упражнения для читателей, чтобы практиковать то, что они узнали. Во второй главе автор углубляется в более продвинутые темы, такие как соединения, подзапросы и агрегатные функции.
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